cryptui: add CryptUIWizDigitalSign stub

[Dmitry Timoshkov]

Thomas Faber <thomas.faber at reactos.org> wrote:

> >> +33 stdcall CryptUIWizDigitalSign(long ptr wstr ptr ptr)
> > 
> > Appropriate .spec type for HWND is not ptr.
> 
> 
>  300 DECLARE_HANDLE(HWND);
> 
>  561 #define DECLARE_HANDLE(a) typedef struct a##__ { int unused; } *a
> 
> Pretty sure it is? ;)

This has nothing to do with neither .spec file conventions, nor real
win32 types.

-- 
Dmitry.